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EP0236947A3 - Suspension controller for improved turning - Google Patents

Suspension controller for improved turning Download PDF

Info

Publication number
EP0236947A3
EP0236947A3 EP87103118A EP87103118A EP0236947A3 EP 0236947 A3 EP0236947 A3 EP 0236947A3 EP 87103118 A EP87103118 A EP 87103118A EP 87103118 A EP87103118 A EP 87103118A EP 0236947 A3 EP0236947 A3 EP 0236947A3
Authority
EP
European Patent Office
Prior art keywords
suspension controller
improved turning
turning
improved
suspension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87103118A
Other versions
EP0236947B1 (en
EP0236947A2 (en
Inventor
Kaoru Toyota Jidosha Kabushiki Kaisha Ohashi
Chiaki Toyota Jidosha Kabushiki Kaisha Hamada
Hiroshi Toyota Jidosha Kabushiki Kaisha Kawakami
Yutaka Toyota Jidosha Kabushiki Kaisha Hirano
Zensaku Toyota Jidosha Kabushiki Kaisha Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP61184873A external-priority patent/JPS6341225A/en
Priority claimed from JP61187335A external-priority patent/JP2513187B2/en
Priority claimed from JP61298539A external-priority patent/JPH085294B2/en
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of EP0236947A2 publication Critical patent/EP0236947A2/en
Publication of EP0236947A3 publication Critical patent/EP0236947A3/en
Application granted granted Critical
Publication of EP0236947B1 publication Critical patent/EP0236947B1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/08Control of attitude, i.e. control of roll, pitch, or yaw
    • G05D1/0891Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for land vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0162Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during a motion involving steering operation, e.g. cornering, overtaking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • B60G2202/41Fluid actuator
    • B60G2202/413Hydraulic actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • B60G2202/41Fluid actuator
    • B60G2202/414Fluid actuator using electrohydraulic valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10Acceleration; Deceleration
    • B60G2400/104Acceleration; Deceleration lateral or transversal with regard to vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10Acceleration; Deceleration
    • B60G2400/106Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20Speed
    • B60G2400/204Vehicle speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/40Steering conditions
    • B60G2400/41Steering angle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/60Load
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/14Photo or light sensitive means, e.g. Infrared
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/02Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/18Automatic control means
    • B60G2600/182Active control means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01Attitude or posture control
    • B60G2800/012Rolling condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Vehicle Body Suspensions (AREA)
EP87103118A 1986-03-08 1987-03-05 Suspension controller for improved turning Expired EP0236947B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP5121486 1986-03-08
JP51214/86 1986-03-08
JP184873/86 1986-08-06
JP61184873A JPS6341225A (en) 1986-08-06 1986-08-06 Active suspension controller
JP61187335A JP2513187B2 (en) 1986-08-08 1986-08-08 Active suspension controller
JP187335/86 1986-08-08
JP298539/86 1986-12-15
JP61298539A JPH085294B2 (en) 1986-03-08 1986-12-15 Active suspension controller

Publications (3)

Publication Number Publication Date
EP0236947A2 EP0236947A2 (en) 1987-09-16
EP0236947A3 true EP0236947A3 (en) 1987-11-11
EP0236947B1 EP0236947B1 (en) 1989-12-27

Family

ID=27462603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103118A Expired EP0236947B1 (en) 1986-03-08 1987-03-05 Suspension controller for improved turning

Country Status (3)

Country Link
US (1) US4761022A (en)
EP (1) EP0236947B1 (en)
DE (1) DE3761247D1 (en)

Families Citing this family (134)

* Cited by examiner, † Cited by third party
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CN114297773B (en) * 2021-11-29 2024-08-16 合众新能源汽车股份有限公司 Calculation method of suspension offset frequency corresponding to spring adjusting piece

Citations (3)

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WO1984002886A1 (en) * 1983-01-21 1984-08-02 Lotus Car Vehicle suspension system
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Also Published As

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DE3761247D1 (en) 1990-02-01
US4761022A (en) 1988-08-02
EP0236947B1 (en) 1989-12-27
EP0236947A2 (en) 1987-09-16

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